EP 3188660 A4 20180516 - SYSTEMS, DEVICES, AND METHODS FOR TRACKING AND COMPENSATING FOR PATIENT MOTION DURING A MEDICAL IMAGING SCAN
Title (en)
SYSTEMS, DEVICES, AND METHODS FOR TRACKING AND COMPENSATING FOR PATIENT MOTION DURING A MEDICAL IMAGING SCAN
Title (de)
SYSTEME, VORRICHTUNGEN UND VERFAHREN ZUM VERFOLGEN UND KOMPENSIEREN DER BEWEGUNG VON PATIENTEN WÄHREND EINER BILDGEBENDEN MEDIZINISCHEN ABTASTUNG
Title (fr)
SYSTÈMES, DISPOSITIFS ET PROCÉDÉS DE SUIVI ET DE COMPENSATION DE MOUVEMENT DE PATIENT PENDANT UNE IMAGERIE MÉDICALE PAR BALAYAGE
Publication
Application
Priority
- US 201462028194 P 20140723
- US 2015041615 W 20150722
Abstract (en)
[origin: WO2016014718A1] A motion tracking system for dynamic tracking of and compensation for motion of a patient during a magnetic resonance scan comprises a first camera positioned to view an optical marker along a first line of sight; a second camera positioned to view the optical marker along a second line of sight; and a computer system configured to analyze images generated by the first and second cameras to determine changes in position of the optical marker, and to generate tracking data for use by a magnetic resonance scanner to dynamically adjust scans to compensate for the changes in position of the optical marker, wherein the computer system is configured to dynamically adapt its image analysis to utilize images from all cameras that are currently viewing the optical marker.
IPC 8 full level
A61B 5/055 (2006.01); A61B 5/00 (2006.01)
CPC (source: EP US)
A61B 5/0077 (2013.01 - EP US); A61B 5/055 (2013.01 - EP US); A61B 5/1127 (2013.01 - EP US); A61B 5/721 (2013.01 - EP US); A61B 34/20 (2016.02 - EP US); A61N 5/1049 (2013.01 - EP US); G06T 7/0012 (2013.01 - US); G06T 7/248 (2016.12 - EP US); G06T 7/292 (2016.12 - EP US); G06V 40/20 (2022.01 - EP US); A61B 2034/2055 (2016.02 - EP US); A61B 2090/3937 (2016.02 - EP US); G06T 2207/30204 (2013.01 - EP US)
Citation (search report)
- [I] EP 1319368 A2 20030618 - TECMEDIC GMBH [DE]
- [X] WO 03003796 A1 20030109 - VARIAN MED SYS INC [US]
- [I] US 2003195526 A1 20031016 - VILSMEIER STEFAN [AT]
- [A] WO 2011047467 A1 20110428 - IMRIS INC [CA], et al
- [A] WO 9938449 A1 19990805 - COSMAN ERIC R [US]
- [I] ZAITSEV M ET AL: "Magnetic resonance imaging of freely moving objects: prospective real-time motion correction using an external optical motion tracking system", NEUROIMAGE, ELSEVIER, AMSTERDAM, NL, vol. 31, no. 3, 1 July 2006 (2006-07-01), pages 1038 - 1050, XP024906396, ISSN: 1053-8119, [retrieved on 20060701], DOI: 10.1016/J.NEUROIMAGE.2006.01.039
- [A] MURAT AKSOY ET AL: "Hybrid prospective and retrospective head motion correction to mitigate cross-calibration errors", MAGNETIC RESONANCE IN MEDICINE, vol. 67, no. 5, 1 May 2012 (2012-05-01), pages 1237 - 1251, XP055027261, ISSN: 0740-3194, DOI: 10.1002/mrm.23101
- [A] CARRANZA-HERREZUELO N ET AL: "Motion estimation of tagged cardiac magnetic resonance images using variational techniques", COMPUTERIZED MEDICAL IMAGING AND GRAPHICS, PERGAMON PRESS, NEW YORK, NY, US, vol. 34, no. 6, 1 September 2010 (2010-09-01), pages 514 - 522, XP027129957, ISSN: 0895-6111, [retrieved on 20100421]
- See references of WO 2016014718A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2016014718 A1 20160128; CN 106714681 A 20170524; EP 3188660 A1 20170712; EP 3188660 A4 20180516; US 10438349 B2 20191008; US 11100636 B2 20210824; US 2016035108 A1 20160204; US 2018068441 A1 20180308; US 2020234434 A1 20200723; US 9734589 B2 20170815
DOCDB simple family (application)
US 2015041615 W 20150722; CN 201580051354 A 20150722; EP 15824707 A 20150722; US 201514806521 A 20150722; US 201715626995 A 20170619; US 201916555081 A 20190829